Last Modified date not showing on Google

Hi there,

I have updated this page (https://achetezlemeilleur.com/meilleur-parasol-chauffant-electrique-comparatif-tests-avis/) 12 days ago and submitted to Google Console.
Content has been indexed properly but not the new updated date : https://cl.ly/ea1be8145fa2

Also I found out that since I installed the plugin, all the published date have disappeared from Google, and have not been replaced by the modified date : https://cl.ly/7345664b3ca7

Thanks in advance for your help

Julien